Linux 4.1 Btrfs Sun Fire
Running pts/fio-1.8.0, pts/fs-mark-1.0.0, pts/dbench-1.0.0, pts/compilebench-1.0.1, pts/postmark-1.1.0 via the Phoronix Test Suite.


Single Disk: 

	Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Network: Intel 82575EB Gigabit Connection

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Compiler: GCC 4.9.2, File-System: btrfs, Screen Resolution: 1024x768

Two Disk RAID0: 

	Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Network: Intel 82575EB Gigabit Connection

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Compiler: GCC 4.9.2, File-System: btrfs, Screen Resolution: 1024x768

Two Disk RAID1: 

	Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Network: Intel 82575EB Gigabit Connection

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Compiler: GCC 4.9.2, File-System: btrfs, Screen Resolution: 1024x768

Four Disk RAID0: 

	Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Network: Intel 82575EB Gigabit Connection

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Compiler: GCC 4.9.2, File-System: btrfs, Screen Resolution: 1024x768

Four Disk RAID1: 

	Processor: 2 x Intel Xeon E5540 @ 2.53GHz (16 Cores), Motherboard: SUN ASSY X4170, Chipset: Intel 5520 I/O + ICH10R, Memory: 36864MB, Disk: 2 x 147GB Seagate ST914603SSUN146G + 6 x 300GB H106030SDSUN300G, Graphics: ASPEED ASPEED Family, Network: Intel 82575EB Gigabit Connection

	OS: Ubuntu 15.04, Kernel: 4.1.0-999-generic (x86_64), Compiler: GCC 4.9.2, File-System: btrfs, Screen Resolution: 1024x768


Flexible IO Tester 2.1.13
Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ..... 0.98 |=====================================================
Two Disk RAID0 .. 0.99 |=====================================================
Four Disk RAID0 . 1.02 |=======================================================
Four Disk RAID1 . 1.00 |======================================================


Flexible IO Tester 2.1.13
Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ..... 102.32 |==================================
Two Disk RAID0 .. 161.39 |=====================================================
Two Disk RAID1 .. 118.07 |=======================================
Four Disk RAID0 . 160.94 |=====================================================
Four Disk RAID1 . 112.06 |=====================================


Flexible IO Tester 2.1.13
Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ..... 41.30  |========
Two Disk RAID0 .. 157.38 |================================
Two Disk RAID1 .. 93.38  |===================
Four Disk RAID0 . 262.40 |=====================================================
Four Disk RAID1 . 105.04 |=====================


Flexible IO Tester 2.1.13
Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ..... 163.36 |==================
Two Disk RAID0 .. 301.45 |=================================
Two Disk RAID1 .. 166.00 |==================
Four Disk RAID0 . 485.06 |=====================================================
Four Disk RAID1 . 192.21 |=====================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Single Disk ..... 32.85 |====================================
Two Disk RAID0 .. 47.20 |===================================================
Two Disk RAID1 .. 39.92 |===========================================
Four Disk RAID0 . 49.57 |======================================================
Four Disk RAID1 . 39.12 |===========================================


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Single Disk ..... 54.53 |=================================
Two Disk RAID0 .. 74.20 |==============================================
Two Disk RAID1 .. 56.07 |==================================
Four Disk RAID0 . 88.03 |======================================================
Four Disk RAID1 . 59.00 |====================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Single Disk ..... 33.33 |======================================
Two Disk RAID0 .. 46.83 |======================================================
Two Disk RAID1 .. 39.17 |=============================================
Four Disk RAID0 . 47.10 |======================================================
Four Disk RAID1 . 40.00 |==============================================


Dbench 4.0
Client Count: 1
MB/s > Higher Is Better
Single Disk ..... 19.65 |========================================
Two Disk RAID0 .. 26.55 |======================================================
Two Disk RAID1 .. 24.55 |==================================================
Four Disk RAID0 . 25.67 |====================================================
Four Disk RAID1 . 24.06 |=================================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Single Disk ..... 104.69 |===============================================
Two Disk RAID0 .. 117.39 |=====================================================
Two Disk RAID1 .. 112.59 |===================================================
Four Disk RAID0 . 114.98 |====================================================
Four Disk RAID1 . 116.29 |=====================================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
Single Disk ..... 2737 |======================================================
Two Disk RAID0 .. 2737 |======================================================
Two Disk RAID1 .. 2688 |=====================================================
Four Disk RAID0 . 2808 |=======================================================
Four Disk RAID1 . 2727 |=====================================================